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Year the Calculator inventor was born
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year the first calculator was made
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year christoper scholes was born
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Year John Atanasoff (inventor of the calculator) was born
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year john mauchly was born
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year William Higinotham ( invetor of the first video game) was born
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year Douglas Engelbert ( creator of the mouse) was born
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Date Adam Osborne ( inventor of the portable computer) was born
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john mauchly made the first computer
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Year the first digital computer was invented
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year the computer mouse was invented
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Year first video game is released
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year the first portable computers were made
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